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-rw-r--r--kike.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kike.c b/kike.c
index 108ef72..8844cdd 100644
--- a/kike.c
+++ b/kike.c
@@ -31,6 +31,9 @@ enum { PIPE_READ, PIPE_WRITE };
// --- Configuration (application-specific) ------------------------------------
+// Just get rid of the crappiest ciphers available by default
+#define DEFAULT_CIPHERS "DEFAULT:!MEDIUM:!LOW"
+
static struct config_item g_config_table[] =
{
{ "pid_file", NULL, "Path or name of the PID file" },
@@ -43,6 +46,7 @@ static struct config_item g_config_table[] =
{ "bind_port", "6667", "Port of the IRC server" },
{ "ssl_cert", NULL, "Server SSL certificate (PEM)" },
{ "ssl_key", NULL, "Server SSL private key (PEM)" },
+ { "ssl_ciphers", DEFAULT_CIPHERS, "OpenSSL cipher list" },
{ "operators", NULL, "IRCop SSL cert. fingerprints" },
@@ -3506,7 +3510,10 @@ irc_initialize_ssl_ctx (struct server_context *ctx,
SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER | SSL_MODE_ENABLE_PARTIAL_WRITE);
// XXX: perhaps we should read the files ourselves for better messages
- if (!SSL_CTX_use_certificate_chain_file (ctx->ssl_ctx, cert_path))
+ const char *ciphers = str_map_find (&ctx->config, "ssl_ciphers");
+ if (!SSL_CTX_set_cipher_list (ctx->ssl_ctx, ciphers))
+ error_set (e, "failed to select any cipher from the cipher list");
+ else if (!SSL_CTX_use_certificate_chain_file (ctx->ssl_ctx, cert_path))
error_set (e, "%s: %s", "setting the SSL client certificate failed",
ERR_error_string (ERR_get_error (), NULL));
else if (!SSL_CTX_use_PrivateKey_file